“They cannot say a concrete result now.
They now exclude all sorts of possibilities, ”RIA Novosti quotes Krikalev.
According to him, the version of metal fatigue was ruled out.
He added that, according to experts, the body, in which cracks were found, has used up its resource by 40-50%.
On March 31, cosmonaut Pavel Vinogradov told how the cracks in the Zvezda service module were sealed.